Zach Duncan has 2 recorded races from Englewood, Colorado, US.
| Date | Race | Distance | Time | Overall |
|---|---|---|---|---|
| 2025-09-28 | Bluegrass Half Marathon & Relay | Half Marathon | 2:11:15 | 169 |
| 2025-05-24 | 11th Annual Bill Snyder Highway Half & 5K Half Marathon | Half Marathon | 1:55:53 | 246 |